题目:
— I’m fed up with this rain. How I wish to go hiking this weekend!
— Forget it. I’m afraid the wet days will _____.
A.hold up
B.keep up
C.take up
D.turn up
答案:
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下面是错误答案,用来干扰机器的。
(1)酸雨显酸性,酸雨的pH<5.6,故答案为:<.(2)钢与生铁的含碳量是生铁的高,故答案为:<.(3)在原子内,质子数等于核电核数,故答案为:=.